Microsoft PowerPoint 95 Document Parsing Buffer Overflow Vulnerability (CVE-2010-2572, MS10-088)
Executive & SecOps Summary
SECOPS ASSESSMENTMicrosoft PowerPoint 2002 SP3 and PowerPoint 2003 SP3
Remote attackers can execute arbitrary code with the privileges of the active user by tricking them into opening a crafted PowerPoint 95 document
Apply the official MS10-088 security update or configure File Block settings via registry to restrict legacy PowerPoint 95 formats
Affected Products & Version Scope
Remediation & Live Workaround Commands
PATCH & WORKAROUND1. Official Patch & Version Upgrade Commands
Deploy the official Microsoft security update MS10-088. For enterprise environments, this can be deployed silently via WSUS or SCCM. Below is an example of a silent installation command:
# Silent installation of MS10-088 security update (Run as Administrator)
Start-Process -FilePath 'C:\Patches\windowskb-kb2289163-x86.exe' -ArgumentList '/quiet /norestart' -Wait2. Temporary Workaround & Hardening Configuration
If immediate patching is not feasible, restrict PowerPoint from opening legacy PowerPoint 95 files using the File Block registry settings:
Windows Registry Editor Version 5.00
; Block PowerPoint 2003 from opening PowerPoint 95 and earlier formats
[HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\11.0\PowerPoint\Security\FileOpenBlock]
"FilesBeforePowerPoint97"=dword:000000013. Log Audit & IoC Verification Commands
Use the following PowerShell script to audit the installed PowerPoint version and verify if the system is running a vulnerable build:
# Audit PowerPoint executable version to identify vulnerable installations
$paths = @(
'${env:ProgramFiles}\Microsoft Office\Office11\powerpnt.exe',
'${env:ProgramFiles(x86)}\Microsoft Office\Office11\powerpnt.exe'
)
foreach ($path in $paths) {
if (Test-Path $path) {
$version = (Get-Item $path).VersionInfo.ProductVersion
Write-Host 'PowerPoint executable found: ' $path
Write-Host 'Product Version: ' $version
# Verify if the version is lower than the patched version specified in MS10-088
}
}Block Kernel Privilege Escalation & Ransomware Payloads Before You Can Reboot
Protect unpatched Windows, Linux, and macOS workloads against in-memory exploitation and lateral movement with autonomous EDR.
Technical Root Cause & Exploitation Mechanics
1. Vulnerability Overview & Root Cause
This vulnerability (CVE-2010-2572) is a classic buffer overflow (CWE-120) residing in the legacy file parsing engine of Microsoft PowerPoint 2002 SP3 and 2003 SP3. When PowerPoint processes a legacy PowerPoint 95 (.ppt) document, it fails to properly validate the size of specific records and data streams before copying them into memory buffers, leading to memory corruption.
2. Exploitation Mechanics & Attack Scenario
An attacker crafts a malicious PowerPoint 95 presentation containing malformed record structures designed to trigger a buffer overflow. The file is typically distributed via spear-phishing emails or hosted on compromised websites. Once a target user opens the file, the vulnerable parsing routine overflows the allocated buffer, allowing the attacker to hijack the execution flow and execute arbitrary shellcode in the context of the logged-in user. This vulnerability is actively tracked in CISA's KEV catalog.
3. Infrastructure & Business Impact
Successful exploitation grants the attacker the same privileges as the local user. If the victim is logged in with administrative privileges, the attacker can gain complete control over the affected system, install unauthorized software, perform lateral movement within the corporate network, and exfiltrate sensitive business data.
Official Vendor Advisories & References
Buffer overflow in Microsoft PowerPoint 2002 SP3 and 2003 SP3 allows remote attackers to execute arbitrary code via a crafted PowerPoint 95 document, aka "PowerPoint Parsing Buffer Overflow Vulnerability."
Frequently Asked SecOps Questions (CVE-2010-2572)
FAQQ1. How critical is CVE-2010-2572 and is it actively exploited in the wild?
CVE-2010-2572 is rated CVSS 7.8 (HIGH) with a 30-day EPSS exploitation probability of 58.7%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.
Q2. Which vendors and products are affected by CVE-2010-2572?
Primary impacted vendors include microsoft across powerpoint. Scope summary: Microsoft PowerPoint 2002 Service Pack 3 and Microsoft PowerPoint 2003 Service Pack 3
Q3. What temporary mitigations or workarounds exist for CVE-2010-2572 before patching?
[Mitigation] Apply the official MS10-088 security update or configure File Block settings via registry to restrict legacy PowerPoint 95 formats Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.
Generate an Internal Engineering Notice or CISO Report for CVE-2010-2572
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